diff --git a/mason/packages/prevent-sleep.scm b/mason/packages/prevent-sleep.scm
index 96f5b17..382f37b 100644
--- a/mason/packages/prevent-sleep.scm
+++ b/mason/packages/prevent-sleep.scm
@@ -3,7 +3,8 @@
   #:use-module (guix packages)
   #:use-module (guix build-system copy)
   #:use-module (guix utils)
-  #:use-module (guix gexp))
+  #:use-module (guix gexp)
+  #:use-module (gnu packages gtk))
 
 (define-public prevent-sleep
   (package
@@ -17,6 +18,8 @@
     (arguments
      '(#:install-plan
        '(("prevent-sleep" "bin/"))))
+    (propagated-inputs
+      `(("yad" ,yad)))
     (synopsis "Prevent sleep")
     (description
      "Prevent sleep")